Wavelength Range: 405nm, 450nm, 520nm, 532nm, 650nm, 780nm, 808nm, 850nm, 980nm Laser Pattern: Dot/Point Line Cross for line generator, cross-hair generator Applications: 3D laser, laser engraving, wood saw mill, stone cutting, indicating, locator locating, range finder, military, gun sight Indus Series Module: optimization of thermal stabilization, protection from shock or vibration, generating stable laser light source emitting.